ST. PAUL, Minn.--(BUSINESS WIRE)--3M has selected nine organizations to receive nearly $400,000 in grants for projects aimed at improving science-based environmental and conservation education for youth. Since 2001, 3M has invested more than $20 million in sustainability initiatives as part of the company’s commitment to encouraging environmental stewardship. This year’s 3Mgives Eco Grant recipients provide programs that help students connect science, technology, engineering and math (STEM) education with the world around them.